<header data-th-fragment="header" class="header">
    <a href="/">首页</a>
    <a href="/case">面试题库</a>
    <a href="/blog">博文专区</a>
    <a href="/video/list" onclick="alert('道路还在施工中...'); return false;">视频专区</a>
    <a href="/community"  onclick="alert('道路还在施工中...'); return false;">ITO社区</a>
    <a href="/community/chat">自助火锅</a>
    <div class="placeholder"></div>
    <a href="/login">登录</a>
    <a href="/blog/publish" class="publish">写文章</a>

</header>